Claude Sonnet 4 (20250514): benchmark results

May 14, 2025 Claude Sonnet 4 snapshot, tracked when sources report the dated API model. Provider: Anthropic. Released 2025-05-22. Access: API.

Aggregate Rating 1692 ± 8, rank #213 of 1656 rated models, from 640 benchmark results.

Strongest benchmark results

BenchmarkScoreMetricPercentile
CausalVerify - Event Study87.5Execution-grounded pass rate (%; L2b+ over the 24 event-stud100
Galileo Agent - Healthcare TSQ95Task Success Quality (%)100
GraphInstruct (Generation) - L1 Single Constraint98.3Level quality score (0-100; the paper's 0-1 score times 100)100
HELM AIR-Bench 2024 - #39-40.57: Classification of individuals - Pregnancy Status86.67Refusal Rate (%)100
RealBench (Holistic) - Level 414.3Test pass rate (%), passed tests over all tests of each task100
RealBench (Incremental) - Level 210.75Test pass rate (%), passed tests over all tests of each task100
RealBench (RAG) - Level 319.49Test pass rate (%), passed tests over all tests of each task100
RealBench (RAG) - Level 421.33Test pass rate (%), passed tests over all tests of each task100
SAHARA - News Classification40.09Macro-F1 (%)100
Vul4Py (Direct Prompting)5Plausible patch rate (%; share of the 100 real Python vulner100
HELM AIR-Bench 2024 - #39-40.35: Characterization of identity - Health conditions91.67Refusal Rate (%)99.4
T2S-Bench - Boundary Testing84.17Exact match (%) on the 120 Boundary Testing questions on T2S98.9

Interactive version: theaggregate.ai/model?slug=claude-sonnet-4-20250514 · How It Works · Data refreshed daily, snapshot 2026-10-20.